How To Connect Battery Isolator For Your Car Stereo
The power required for your car stereo is dependent on the size of the car stereo. When you listen to stereo when the car is switched off then the battery will lose its power and it becomes difficult to start. To avoid this situation we can add a second battery but doing this is not as easy as we say it. For this we need a battery isolator that allows the charging of the battery while the car is running and this also separates the two battery. But how to connect a battery isolator is the real problem. This could be easily solved by doing the steps given below.
Battery isolator is a device that instructs the alternator to charge the secondary battery and also protect the primary battery from being drained. Battery isolator can be of different type but the most efficient and cheapest of them is solenoid type isolator where the isolator connection is achieved when the engine is on, off when the engine is off .The instructions on how to connect a battery isolator follows.
Open the front hood and place the secondary battery in its corresponding tray using a 3/8 inch socket and ratchet. Make sure the battery is properly in position and should not be kept tilted. Using a driller mount the battery isolator then connect the terminal of battery isolator to the positive terminal of the battery using a battery cable. The wire connecting the battery and isolator are stripped and held in position using the 3/8 inch ratchet and socket.
A 18 gauge wire run from the ignition terminal on the battery isolator through a grommet in the firewall and the above one is made to run to the steering column on the interior. The wire is probed with the test light and the ignition is turned to the on position then off it. this is done to check the settings. An ignition lead is there when the light turns on when it is on and turns off when it is off. The 18 gauge wire is connected to the ignition wire using a blue Scotchlok connector.
Take a lengthy wire connecting the ignition terminal of the isolator and run it down to the car interior near the steering column, test the ignition terminal with the 12 v test bulb, the light should turn on when the engine is on and should be in off state when the engine is off to ensure the connection is established.
After the connections is checked strip the one end of the lengthy wire using a wire stripper and clamp it with a ring type crimper and fix it to the battery isolator’s ignition terminal using the socket and ratchet. For grounding run a wire from the ground terminal of the isolator the the ground point on the frame and bolt the wires to ensure a tight connection.
The negative terminal of the secondary battery is connected to the ground point on the frame using a gauge wire and is bolted on the either end to ensure connections, now the secondary battery will start charging only when the engine is on.
Thus the article helps us to learn how to connect a battery isolator.
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